A little background on the characters. Lee Byung-Hun will play Retainer Choi Myung-Kil. He insists on negotiating with the invading Qing Dynasty. Kim Yun-Seok plays Retainer Kim Sang-Hun. He insists on fighting the invading Qing Dynasty. Park Hae-Il plays King Injo. He agonzies over the two different scenarios. Ko Soo plays Seo Nal-Shwe. He delivers official papers. Park Hee-Soon plays General Lee Shi-Baek. He defends the wall of Namhansanseong. Jo Woo-Jin plays Jung Myung-Soo. He is translator to the Qing Dynasty.